Product parameters [Raw materials]: PE raw materials [Printing]: Multi color printing is possible, designers can design or modify artworks according to your requirements [Size]: Customizable according to customer requirements [Chain mouth]: Double rib or single rib or lock, customizable according to your requirements [Packaging]: Standard packaging, customizable according to customer requirements [Application]: You can customize your own brand for retail; Company documents and product packaging; Food Packaging [Testing]: Through multiple testing certifications, you can use it with peace of mind [Features]: Comes with a built-in seal, easy to use, and the items inside the packaging are not contaminated